Mitsubishi Melsec-A Series User Manual page 144

8. TROUBLESHOOTING
/MELSEC
8.22 Drive inoperative
Check LOCK switch.
I
YES
c
Set LOCK switch to OFF.
NO
Check LEDs on AD71 front panel.
SERVO
x
0 0 YZERO
READY 0
0
XZERO
.ERR(Y 0 0 H O L D
YEUSY 0 0
WDT
XBUSY 0 0
B A T } ERR
SERVO-ERR
YES
Turn on serw ready signal.
.
HOLD, WDT ERR
marked on?
If CPU reset does not remedy error, contact
nearest Mitsubirhi representative.
NO
- 7
Check pulse output
A
I
unit requirement?
I
Rnaet auameter
nulse
nutwt
made accordina to
I
. . _ _ _ _ r _ _ . _ . _ _ _
______r__..._-.-...-
-
- -
motor drive unit.
8-8
IS
INN
€61014